Ruby-Star Incorporated is considering two different vendors for one of its top-selling products which has an average weekly demand of 80 units and is valued at $85 per unit. Inbound shipments from vendor 1 will average 360 units with an average lead time (including ordering delays and transit time) of 4 weeks. Inbound shipments from vendor 2 will average 540 units with an average lead time of 3 weeks. Ruby-Star operates 52 -weeks per year; it carries a 4 -week supply of inventory as safety stock and no anticipation inventory. a. The average aggregate inventory value of the product if Ruby-Star used vendor 1 exclusively is $69,700. (Enter your response as a whole number.) b. The average aggregate inventory value of the product if Ruby-Star used vendor 2 exclusively is $70,550. (Enter your response as a whole number.) c. How would your analysis change if average weekly demand increased to 160 units per week? The average aggregate inventory value of the product if Ruby-Star used vendor 1 exclusively is $124,100. (Enter your response as a whole number.) The average aggregate inventory value of the product if Ruby-Star used vendor 2 exclusively is $ response as a whole number.) (Enter your